Heated Oxygen Sensor (HO2S) Replacement Bank 1 Sensor 1

HEATED OXYGEN SENSOR (HO2S) REPLACEMENT BANK 1 SENSOR 1

REMOVAL PROCEDURE

NOTE: Refer to Oxygen Sensor Notice in Service Precautions.

IMPORTANT:
- Remove oxygen sensors with the engine temperature above 48°C (120°F). Otherwise the oxygen sensors may be difficult to remove.
- A special anti-seize compound is used on the oxygen sensor threads. New service sensors should already have the compound applied to the threads. Coat the threads of a reused sensor with anti-seize compound P/N 5613695 or equivalent.

1. Raise and support the vehicle. Refer to Vehicle Lifting.




2. Disconnect the forward oxygen sensor electrical connector.




3. Remove the forward (1) oxygen sensor from the exhaust manifold.

INSTALLATION PROCEDURE




1. Install the oxygen sensor (1) in the exhaust manifold.

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten the heated oxygen sensor (HO2S) sensor to 41 N.m (30 lb ft).




2. Connect the oxygen sensor connector.
3. Lower the vehicle.